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231679 (1995 QE1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2231679
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461508510778668 1.2427e-07  
a 3.22480329049588 7.0232e-08 AU
q 2.753495545031202 4.1198e-07 AU
i 5.229073107405289 1.7159e-05 deg
node 162.8062351228061 0.00014754 deg
peri 144.5386653107889 0.00016387 deg
M 107.8358382681987 6.0706e-05 deg
tp 2456166.901869388744
(2012-Aug-27.40186939)
0.00035641 JED
period 2115.208920180655
5.79
6.9099e-05
1.892e-07
d
yr
n .1701959539624357 5.5599e-09 deg/d
Q 3.696111035960559 8.0496e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      6652 days (18.21 yr)  
   first obs. used      1995-08-19  
   last obs. used      2013-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5692  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Nov-23 05:11:30  

Additional Information
 Earth MOID = 1.74007 AU 
 T_jup = 3.165 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9 mag n/a MPO245471  

231679 (1995 QE1)          Discovered 1995-Aug-19 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 1995 QE1 = 1995 SB40 = 2001 SC208 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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